I'll use Chris' system. All of the animes you've listed are awesome in my opinion though.
Claymore
Story - 8
Animation - 10
Sounds - 9
Characters - 10
Enjoyment - 10
Overall - 10
Samurai Champloo
Story - 8
Animation - 9
Sounds - 7
Characters - 10
Enjoyment - 9
Overall - 9
Cowboy Bebop
Story - 9
Animation - 8
Sounds - 10
Characters - 10
Enjoyment - 10
Overall - 10
Bebop and Claymore are my 2 favourites.... Samurai Champloo is also very very good.